Finding the Fourth Proportional to 64,194.57, 88,612.83 and 57,468.15

Step by Step Solution

1. Step 1: Write the proportion equation
   64,194.57 : 88,612.83 = 57,468.15 : x
2. Step 2: Convert to fraction form
   64,194.57/88,612.83 = 57,468.15/x
3. Step 3: Cross multiply
   64,194.57x = 88,612.83 × 57,468.15
4. Step 4: Simplify right side
   64,194.57x = 5,092,415,406.36
5. Step 5: Solve for x
   x = 5,092,415,406.36/64,194.57
6. Step 6: Final answer
   x = 79,327.82